To become quiet; to quiet down (noise, commotion dying down).
会場のざわめきが次第に静まった。
The murmuring in the hall gradually died down.
子どもの泣き声が静まるまで、母親はそばにいた。
The mother stayed nearby until the child's crying quieted down.
夜になると町の喧騒が静まる。
At night the city's bustle quiets down.
To calm down; to subside; to be suppressed (used for emotions, pain, storms, etc.; often written 鎮まる).
嵐が静まって、海は再び穏やかになった。
The storm subsided and the sea became calm again.
怒りが次第に鎮まった。
His anger gradually calmed down.
痛みが静まるまで安静にしてください。
Please rest until the pain subsides.